What is the dramatic geological mechanism for accretion involving the addition of crustal fragments to continents?

Answer

Terrane addition

The addition of terranes is a dramatic geological manifestation of accretion where fragments of Earth's crust are scraped off a subducting tectonic plate and welded onto the edge of a stationary continent.

What is the dramatic geological mechanism for accretion involving the addition of crustal fragments to continents?

#Videos

What Is Accretion? - Physics Frontier - YouTube

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